Perhaps you should try some spelling variations:
trinh nghien » trinh nghe, kinh nghiem, trinh thiet
nghiep thai » nghiep tai, nghiep thanh, nghiep chan
nghien luan » nghiep luan, nghiep quan, ngheo luan
cac doanh » cac dan, cac dang, van doanh
thai hoc » dai hoc, bai hoc, hoi hoc
thu canh » thuc hanh, thu cong, thu ban
luan hoc » luan hoan, quang hoc, luan khoa
tu can » tu ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cac doanh nghiep thai hoc ) or ( ((tu can) or (thu canh)) trinh nghien luan hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cac doanh nghiep thai hoc ) OR ( ((tu can) OR (thu canh)) trinh nghien luan hoc )).
• Adding a wildcard symbol may retrieve word variants: (( tu cac doanh nghiep thai hoc ) or ( ((tu can) or (thu canh)) trinh nghien luan hoc ))*.